You might know him for his fine character roles in countless movies, but in recent years, Paul Giamatti has effortlessly sauntered into the shoes of the leading man. Following his iconic performances in American Splendor and Sideways and his Malkovich-esque turn as himself in Cold Souls, Giamatti has inhabited the complicated-but-irrepressible Barney Parnofsky in the long-in-development adaptation of Mordecai Richler's classic novel Barney's Version. Click 'play' below to watch us chat to Paul about playing old, having Dustin Hoffman as a screen dad and if he's irked by that "character actor" tag.